Smoke Identification on Certain C7.1 Mechanical Engines {1050, 1088, 1250, 1256, 7569}
- Excavator
- 320D2 (S/N: ZBD1-847,10001-10187,10190-10251; TGJ1-1; YBK1-209; ZBM1-154; XAN1-10004; WBY1-374,10001-10080)
There have been some instances of certain C7.1 mechanical engines emitting smoke when load is removed from the engine. Higher engine speeds create more smoke when the load is removed.
Guidelines have been released for identifying the different types of smoke and troubleshooting the possible causes. Refer to Special Instruction, M0079308, "Smoke Identification and Troubleshooting on Certain C7.1 Mechanical Engines".
Caterpillar Information System:
C7.1 Engines and Generator Sets Sensor Supply - Test
Smoke Identification and Troubleshooting on Certain C7.1 Mechanical Engines {1050, 1088, 1250, 1256, 7569} Smoke Identification and Troubleshooting on Certain C7.1 Mechanical Engines {1050, 1088, 1250, 1256, 7569}
C7.1 Engines and Generator Sets Sensor Signal (Analog, Passive) - Test
An Improved Grease Line Application is Now Used on Certain Mini Hydraulic Excavators {7510} An Improved Grease Line Application is Now Used on Certain Mini Hydraulic Excavators {7510}
M318F, M320F and M322F Wheeled Excavators Hydraulic System Relief Valve (Trailer) - Test and Adjust
CB7, CB8, and CB10 Vibratory Asphalt Compactors Maintenance Interval Schedule
The Battery Wiring Group Is Now Updated on Certain 303E CR Mini Hydraulic Excavators {1401, 1402, 1408} The Battery Wiring Group Is Now Updated on Certain 303E CR Mini Hydraulic Excavators {1401, 1402, 1408}
CB7, CB8, and CB10 Vibratory Asphalt Compactors Window Wiper - Inspect/Replace
CB7, CB8, and CB10 Vibratory Asphalt Compactors Water Spray System Filter - Clean
CB7, CB8, and CB10 Vibratory Asphalt Compactors Water Spray System - Drain
CB7, CB8, and CB10 Vibratory Asphalt Compactors Water Spray Nozzles - Clean
C7.1 Engines and Generator Sets Sensor Signal (Analog, Active) - Test
New Software Is Now Used on Certain 320D2 Excavators {7490, 7601, 7610, 7620} New Software Is Now Used on Certain 320D2 Excavators {7490, 7601, 7610, 7620}
An Improved Hood and Guard Group is Now Used on 308E Mini Hydraulic Excavators {7150, 7251} An Improved Hood and Guard Group is Now Used on 308E Mini Hydraulic Excavators {7150, 7251}
GRADE System Calibration and Measure-Up Procedure for the 2D and 3D on Excavators {1408, 7220} GRADE System Calibration and Measure-Up Procedure for the 2D and 3D on Excavators {1408, 7220}
Improved Software Is Now Used to Improve Cooling Performance on F-Series Wheeled Excavators, Material Handlers, and Mobile Hydraulic Power Units {7610, 7620} Improved Software Is Now Used to Improve Cooling Performance on F-Series Wheeled Excavators, Material Handlers, and Mobile Hydraulic Power Units {7610, 7620}
New Rocker Arm Is Now Used on Certain Cat® Products {1123} New Rocker Arm Is Now Used on Certain Cat® Products {1123}
M315F and M317F Wheeled Excavators Machine System Steering Axle
M315F and M317F Wheeled Excavators Machine System Suction Fan
M315F and M317F Wheeled Excavators Machine System Upper Frame
M315F and M317F Wheeled Excavators Machine System Pilot Lines
M315F and M317F Wheeled Excavators Machine System Tire and Rim
558 LL GF Forest Machine Engine Supplement Cooling System Package (Radiator, Hydraulic Oil Cooler) - Disassemble
558 LL GF Forest Machine Engine Supplement Cooling System Package (Radiator, Hydraulic Oil Cooler) - Assemble